2455957626261 has 64 divisors (see below), whose sum is σ = 3494860992000. Its totient is φ = 1531630091264.

The previous prime is 2455957626259. The next prime is 2455957626289. The reversal of 2455957626261 is 1626267595542.

It is a cyclic number.

It is not a de Polignac number, because 2455957626261 - 2¹ = 2455957626259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2455957626195 and 2455957626204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455957626061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118847416 + ... + 118868078.

It is an arithmetic number, because the mean of its divisors is an integer number (54607203000).

Almost surely, 2^{2455957626261} is an apocalyptic number.

It is an amenable number.

2455957626261 is a deficient number, since it is larger than the sum of its proper divisors (1038903365739).

2455957626261 is a wasteful number, since it uses less digits than its factorization.

2455957626261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21070.

The product of its digits is 54432000, while the sum is 60.

The spelling of 2455957626261 in words is "two trillion, four hundred fifty-five billion, nine hundred fifty-seven million, six hundred twenty-six thousand, two hundred sixty-one".